Krejner, Alicja
Bruhs, Anika
Mrowietz, Ulrich
Wehkamp, Ulrike
Schwarz, Thomas
Schwarz, Agatha
Article History
Received: 3 July 2018
Revised: 4 September 2018
Accepted: 8 September 2018
First Online: 12 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.